#include <stdio.h>
#include <ctype.h>

int can_print_it(char ch);
void print_letters(char arg[]);


void print_arguments(int argc, char* argv[])
{
    for (int i = 0; i < argc; i++) {
        print_letters(argv[i]);
    }

}


void print_letters(char  arg[])
{
    for (int i = 0; arg[i] != '\0'; i++) {
       char ch = arg[i];
       if (can_print_it(ch)) {
           printf("'%c'  == %d \n", ch, ch);
       }
    }
    printf("\n");
}

int can_print_it(char ch)
{
    return isalpha(ch) || isblank(ch);
}

int main(int argc, char *argv[])
{
    print_arguments(argc, argv);
    return 0;
}
